| Company | Timeline | Status | |
| Quartzlock Ltd Director • Unreported | 10 Jul 2018←7 Years→11 Nov 2025 | Active | |
| HCD Research Limited Director • Retired | 2 Feb 2016←9 Years→11 Nov 2025 | Active | |
| HCD Holdings Limited Director • Retired | 11 Dec 2015←9 Years→11 Nov 2025 | Active | |
